Home / 43,674.86-65,512.24-13,689.30

Finding the Fourth Proportional to 43,674.86, 65,512.24 and 13,689.30

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Solution

The fourth proportional to 43,674.86, 65,512.24 and 13,689.30 is: 20,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.86 : 65,512.24 = 13,689.30 : x
  2. Step 2: Convert to fraction form
    43,674.86/65,512.24 = 13,689.30/x
  3. Step 3: Cross multiply
    43,674.86x = 65,512.24 × 13,689.30
  4. Step 4: Simplify right side
    43,674.86x = 896,816,638.59
  5. Step 5: Solve for x
    x = 896,816,638.59/43,674.86
  6. Step 6: Final answer
    x = 20,533.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.